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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Vermiculite, perlite & chlorites, unexpanded | $170,867 | $67,250 | $130,070 | $136,795 | $144,288 | $275,850 |
| Mineral subs., n.e.s. in Ch.25 | $89,956 | $149,641 | $293,223 | $371,077 | $220,572 | $253,990 |
| Total | $260,823 | $216,891 | $423,293 | $507,872 | $364,860 | $529,840 |
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